Support mount



FIG. 1 is a perspective view of an embodiment of the ornamental design of the support mount.

FIG. 2 is a front view thereof.

FIG. 3 is a back view thereof.

FIG. 4 is a left view thereof.

FIG. 5 is a right view thereof.

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof. 

CLAIM The ornamental design for a support mount, as shown and described. 